Home / 118,853,503.56-163,957,471.38-77,624,529.48

Finding the Fourth Proportional to 118,853,503.56, 163,957,471.38 and 77,624,529.48

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Solution

The fourth proportional to 118,853,503.56, 163,957,471.38 and 77,624,529.48 is: 107,082,426.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,853,503.56 : 163,957,471.38 = 77,624,529.48 : x
  2. Step 2: Convert to fraction form
    118,853,503.56/163,957,471.38 = 77,624,529.48/x
  3. Step 3: Cross multiply
    118,853,503.56x = 163,957,471.38 × 77,624,529.48
  4. Step 4: Simplify right side
    118,853,503.56x = 12,727,121,570,603,066
  5. Step 5: Solve for x
    x = 12,727,121,570,603,066/118,853,503.56
  6. Step 6: Final answer
    x = 107,082,426.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.